The answer to the question above is to reduce air pollution in Mexico city.
In Mexico city, residents have been encouraged to use bicyles in order to reduce air pollution in the city. Using bicycle also helps reduce traffic congestion and decrease time spent on traveling to their destinations.
One of the main reasons why a historian would use a primary source when studying a historical event is because "<span>C. Primary sources are created by people who actually experienced the event", and they can also be things that happened to be "around" at a certain time. </span>
C.) Chamber is part of a bicameral federal legislature
To reinforce America's stance as a global superpower as a force not to be reckoned with- as it was a huge show of force.